Topre REALFORCE 104UG-HiPro YK2100 This product is discontinued. It's a Hi-pro 104-key layout, English (US) keyboard. I bought 104 and 106 of these new, and the 104 was stored in a warehouse. Unused Hi-Pro 104-key layouts are rare, making this a valuable item. What do you think? Please consider it. [Specifications] Key printing: Dye-sublimation Switch type: Electrostatic capacitive, non-contact Switch lifespan: Over 30 million keystrokes Weight: 1.4 kg Size: 168.5mm x 455mm x 39.6mm Number of keys: 104-key layout Cable length: 1.5m Key weight: ALL 45g Key stroke: 4mm Key structure: Step sculpture N-key rollover: N-key rollover Interface: USB Country of origin: Japan